SDMT1204AZN-D57 WAK15 Wendeplatten - Walter Tools

Benefit from a combination of precise chip control, a sharp uncoated carbide grade and a square 90° geometry for robust milling of aluminium and other non‑ferrous metals; order directly via Metav Werkzeuge or consult our specialists for application-specific cutting data and compatibility advice.

SDMT1204AZN-D57 WAK15 milling indexable insert – for aluminium and non‑ferrous metals (Walter Tools)

SDMT1204AZN-D57 WAK15 is a square milling insert engineered for efficient machining of aluminium and other non‑ferrous materials, featuring a D57 chipbreaker and a 15° clearance angle.

• Square 90° geometry for robust milling
• WAK15 uncoated carbide for aluminium and NE‑metals
• 15° clearance angle reduces material adhesion
• D57 chipbreaker for controlled chip formation

High‑performance milling for aluminium and non‑ferrous metals

The WAK15 grade is an uncoated carbide developed for machining aluminium and similar non‑ferrous alloys; its very sharp cutting edge and low‑friction geometry reduce built‑up edge and material adhesion. The D57 chipbreaker actively fragments chips into short, manageable lengths, improving evacu­ation and protecting the cutter flutes. The 15° clearance angle lowers friction at the cutting zone, which decreases the tendency for chip welding and supports higher feed rates while preserving surface quality. For manufacturing planners, this means fewer interruptions for chip clearing and more consistent cycle times.

Consistent surface finish and process security

A square 90° insert form gives robust corner strength and predictable engagement in shoulder and face milling operations, contributing to repeatable component geometry. The tolerance class M and the insert’s stable plate thickness ensure process security and dimensional repeatability when indexing inserts during production. Reduced rework and fewer scrap parts follow from improved edge stability and uniform chip control—advantages that translate directly into higher throughput and lower per‑part machining cost. The insert’s geometry also supports efficient clamping and minimal vibration when mounted in suitable milling cutters.

Simple integration, dependable results on the shop floor

The SDMT designation places this insert within the Walter N‑series family, compatible with a broad range of cutter bodies configured for square inserts and D‑type chip control. As an indexable solution, the insert allows rapid replacement and reduced tool‑change times compared with brazed cutters, helping to maintain machine uptime. Specification notes such as plate size 12, thickness 04 and the D57 chipbreaker are useful when matching holders and establishing first‑pass cutting parameters. For production engineers seeking to optimise aluminium machining, this insert offers a balance of sharp cutting action and controlled chip formation that supports steady, high‑quality results.

Contact Metav Werkzeuge for tailored application support and to discuss Walter Tools SDMT1204AZN-D57 WAK15 insert suitability for specific aluminium alloys — email info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• SKU: SDMT1204AZN-D57-WAK15-WALTER
• Designation: SDMT1204AZN-D57 WAK15
• Product type: Milling indexable insert
• Brand: Walter Tools
• Series: Walter N‑Sortensystem
• Grade: WAK15

Core data

• Plate size: 12
• Thickness: 04
• Free angle: 15°
• Plate form: Quadrat 90°
• Chipbreaker: D57
• Tolerance class: M
• Execution: T

Special features

• Uncoated carbide (WAK15)
• Suited for aluminium and non‑ferrous metals
• Stable chip formation, reduced adhesion
• Walter N‑series compatibility
• Square geometry for robust engagement

FAQ

What materials is this insert intended for?
The SDMT1204AZN-D57 WAK15 insert is designed primarily for aluminium and other non‑ferrous metals; the WAK15 uncoated carbide grade and D57 chipbreaker minimise material adhesion and optimise chip control on these alloys.

Is the insert coated or uncoated?
This insert uses an uncoated carbide grade (WAK15), chosen to provide a very sharp cutting edge and low tendency for built‑up edge when machining soft, sticky materials like aluminium.

How does the D57 chipbreaker improve machining?
The D57 chipbreaker breaks chips into short segments for reliable evacuation, reducing the risk of entanglement in the cutter flutes and improving surface quality during continuous milling operations.

Can this insert be used for shoulder milling and facing operations?
Yes; the square 90° geometry offers corner strength suitable for shoulder and face milling, delivering predictable engagement and consistent dimensional results when used with compatible cutter bodies.

What does the 15° clearance angle affect in practice?
A 15° clearance angle reduces rubbing behind the cutting edge, lowering friction and heat generation; this helps prevent chip adhesion and supports stable cutting when working with aluminium alloys.

Manufacturer/Responsible: Walter Deutschland GmbH; Derendinger Straße 53; 72072 Tübingen; Germany

Protected trademarks and trade names are the property of their respective owners. Brand names are used here for explanation and identification only; there is no affiliation between our company and the named manufacturers. The offered article is an original, factory‑new product of the manufacturer.